10/20/50Pcs Sliding Blocks Aluminum Spring Ball M8 Nut Solar PV Attachment

Features: *Weather resistant *Easy construction *Aluminum sliding block with stainless steel spring ball Specifications: Material: aluminum alloy Nominal thread: M8 Length: 22mm Thickness: 11mm Width: 13mm Package Contents: 10/20/50Pcs Nut Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.